imc-dispatcher starts a TLS server, accepts host based routing on http receiver and path based routing on https receiver

[gab-satchi]

Fixes #6874

• Adds TLS role for reading Secrets within the system namespace
• Dispatcher service and deployment have additional ports for https
• We create two handlers for each channel: An "http" one that only accepts host based and an "https" one that will only work with path based.

Pre-review Checklist

• At least 80% unit test coverage
• E2E tests for any new behavior
• Docs PR for any user-facing impact
• Spec PR for any new API feature
• Conformance test for any change to the spec

Release Note

📄 imc-dispatcher supports an https endpoint for receiving events. The channel is deduced from the path.

Docs

[codecov]

Codecov Report

Patch coverage: 74.28% and project coverage change: -0.08 ⚠️

Comparison is base (fc5befb) 79.81% compared to head (77f7937) 79.73%.

❗ Current head 77f7937 differs from pull request most recent head f48bce0. Consider uploading reports for the commit f48bce0 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6954      +/-   ##
==========================================
- Coverage   79.81%   79.73%   -0.08%     
==========================================
  Files         244      244              
  Lines       12788    12857      +69     
==========================================
+ Hits        10207    10252      +45     
- Misses       2075     2095      +20     
- Partials      506      510       +4     

Impacted Files	Coverage Δ
pkg/inmemorychannel/message_dispatcher.go	82.60% <0.00%> (-7.87%)	⬇️
...iler/inmemorychannel/dispatcher/inmemorychannel.go	78.46% <58.62%> (-7.26%)	⬇️
...econciler/inmemorychannel/dispatcher/controller.go	83.63% <80.85%> (-4.83%)	⬇️
...nnelfanout/multi_channel_fanout_message_handler.go	86.88% <83.33%> (+2.57%)	⬆️
pkg/channel/fanout/fanout_message_handler.go	86.74% <100.00%> (ø)
...reconciler/inmemorychannel/dispatcher/readiness.go	72.41% <100.00%> (ø)

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[gab-satchi]

/retest

[pierDipi]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gab-satchi, pierDipi

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